113213023 has 32 divisors (see below), whose sum is σ = 149225472. Its totient is φ = 83311200.

The previous prime is 113213017. The next prime is 113213027. The reversal of 113213023 is 320312311.

It is not a de Polignac number, because 113213023 - 2⁵ = 113212991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113212988 and 113213006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113213027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102090 + ... + 103192.

It is an arithmetic number, because the mean of its divisors is an integer number (4663296).

Almost surely, 2^113213023 is an apocalyptic number.

113213023 is a deficient number, since it is larger than the sum of its proper divisors (36012449).

113213023 is a wasteful number, since it uses less digits than its factorization.

113213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113213023 is about 10640.1608540473. The cubic root of 113213023 is about 483.7624209654.

Adding to 113213023 its reverse (320312311), we get a palindrome (433525334).

The spelling of 113213023 in words is "one hundred thirteen million, two hundred thirteen thousand, twenty-three".